On Saturday night, Prachi spent 18 minutes on her social science homework, 35 minutes on her mathematics homework and 22 minutes on her English homework. How much time did she spend on her homework in total?
(a) 1 h 75 min
(b) 2 h 15 min
(c) 2h 75 min
(d) 1 h 15 min

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Solution

(d) 1 h 15 min

Time spent by Prachi on social science homework = 18 min
Time spent by Prachi on mathematics homework = 35 min
Time spent by Prachi on English homework = 22 min
Total time spent by Prachi on her homework = 18 + 35 + 22
=75 min or (60 + 15) min (∵ 1 h = 60 min)
= 1 h 15 min

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On Saturday night, Prachi spent 18 minutes on her social science homework, 35 minutes on her mathematics homework and 22 minutes on her English homework. How much time did she spend on her homework in total? (a) 1 h 75 min (b) 2 h 15 min (c) 2h 75 min (d) 1 h 15 min

(d) 1 h 15 min Time spent by Prachi on social science homework = 18 min Time spent by Prachi on mathematics homework = 35 min Time spent by Prachi on English homework = 22 min Total time spent by Prachi on her homework = 18 + 35 + 22 =75 min or (60 + 15) min (∵ 1 h = 60 min) = 1 h 15 min

On Saturday night, Prachi spent 18 minutes on her social science homework, 35 minutes on her mathematics homework and 22 minutes on her English homework. How much time did she spend on her homework in total?
(a) 1 h 75 min
(b) 2 h 15 min
(c) 2h 75 min
(d) 1 h 15 min

(d) 1 h 15 min

Time spent by Prachi on social science homework = 18 min
Time spent by Prachi on mathematics homework = 35 min
Time spent by Prachi on English homework = 22 min
Total time spent by Prachi on her homework = 18 + 35 + 22
=75 min or (60 + 15) min (∵ 1 h = 60 min)
= 1 h 15 min